561-D

From GRWiki

Revision as of 10:57, 28 June 2024 by Jerry (talk | contribs) (→‎Links)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to navigation Jump to search

Type 561-D Vacuum Tube Bridge.

Specifications

Links

General Radio 561-D Vacum-Tube Bridge 307-K 1959

Photos

Retrieved from "https://www.grwiki.org/grwiki/index.php?title=561-D&oldid=10533"

Impedance measurement